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Case Reports in Orthopedics
Volume 2013 (2013), Article ID 542965, 3 pages
Case Report

Trigger Finger Appearing as Gradually Increasing Digital Nerve Disorder after Surgical Treatment

1Ugo Municipal Hospital, 44-5 Otomichi, Nishimonai, Ugo 012-1131, Japan
2Department of Orthopedic Surgery, Akita University Graduate School of Medicine, 1-1-1 Hondo, Akita 010-8543, Japan

Received 12 February 2013; Accepted 28 February 2013

Academic Editors: K. Erler, D. A. Fisher, and M. G. Lykissas

Copyright © 2013 Hiroyuki Tsuchie et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Trigger finger is a common disease, and operative treatments are often applied for it. Digital nerve injury is one of the complications of this surgical treatment, and paresthesia and sensory disturbance occur early after the operation. This paper presents a case of trigger finger appearing gradually as increasing digital nerve disorder after surgical treatment. In the second surgery, scar tissue covered the palmar MP joint where the A1 pulley had existed before, and palmar digital neurovascular tissue of the ulnar side was found on the inside of the scar. The ulnar digital nerve showed swelling like a neuroma, and bilateral digital nerves existed nearer to the center of the flexor pollicis longus tendon than normal digital nerves. Even when we operate on trigger finger by open release, we should create an appropriate surgical space for observation and be careful of digital nerve injury.